What is the Least Common Denominator of 9 and 73?




You need to know the least common denominator (LCD) of 9 and 73 if you want to add or subtract two fractions with 9 and 73 as denominators.

The least common denominator, also called lowest common denominator (LCD), of 9 and 73 is 657.


Here is a math problem example where you need to know the LCD of 9 and 73 to solve:

3/9 + 2/73 = ?

Step 1) Take the LCD and divide each denominator by it as follows:

657/9 = 73
657/73 = 9

Step 2) Multiply each nominator with the respective answers from Step 1:

3 x 73 = 219
2 x 9 = 18

Step 3) Put it all together to solve the problem:

219/657 + 18/657 = 237/657
= 3/9 + 2/73 = 237/657

It's that easy! Once again, the lowest common denominator (LCD) of 9 and 73 is as follows:

657


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What is the Least Common Denominator of 9 and 74?
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